Chipwerke piggyback chip tuning system - get up to 33% more HP & TQ - for Volkswagen Amarok 2.0L BiTDI (2009 & newer) Get up to 33% more HP & TQ, or increase fuel economy up to 15% Custom programmed specifically for your Volkswagen, we don't use one size fits all maps Easy plug-&-play installation takes 5 minutes, no wires to cut! OEM plugs for a high quality harness and perfect fit Completely undetectably by dealerships, wont void your warranty!